diff --git a/Part 2 Forward Propagation.ipynb b/Part 2 Forward Propagation.ipynb index 4c44c4e..1483308 100644 --- a/Part 2 Forward Propagation.ipynb +++ b/Part 2 Forward Propagation.ipynb @@ -297,7 +297,7 @@ "cell_type": "markdown", "metadata": {}, "source": [ - "To finish forward propogation we need to propogate a two all the way to the output, yhat. We've already done the heavy lifting in the previous layer, so all we have to do now is multiply a two by our senond layer wieghts W2 and apply one more activation funcion. W2 will be of size 3x1, one weight for each synapse. Multiplying a2, a 3 by 3, by W2, a 3 by 1 results in a 3 by 1 matrix z three, the activity or our third layer. z3 has three activity values, one for each example. Last but not least, we'll apply our activation function to z three yeilding our official estimate of your test score, y Hat. " + "To finish forward propogation we need to propogate a two all the way to the output, yhat. We've already done the heavy lifting in the previous layer, so all we have to do now is multiply a two by our second layer wieghts W2 and apply one more activation funcion. W2 will be of size 3x1, one weight for each synapse. Multiplying a2, a 3 by 3, by W2, a 3 by 1 results in a 3 by 1 matrix z three, the activity or our third layer. z3 has three activity values, one for each example. Last but not least, we'll apply our activation function to z three yeilding our official estimate of your test score, y Hat. " ] }, {